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| Kills Fleas |
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| Repels Fleas |
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| Kills Flea eggs and Larvae |
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Prevents Development |
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| Kills Ticks |
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| Repels Ticks |
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| Kills and/or Repels Mosquitoes |
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| Prevents Heartworm |
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| Other Parasites Information | Controls adult hookworms and removes and controls adult roundworms & whipworms | N/A | |
| Waterproof (shampooing once a week can reduce effectiveness) | NA | N/A |
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| Safe for pregnant or nursing Pets | Consult with your veterinarian before using this product on debilitated, aged, pregnant or nursing animals. |
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| How long does it take to work | Starts killing fleas in 30 minutes, and kills 98-100% of fleas in 12 hours. | Begins to work Immediately, However, pre-existing flea populations may continue to develop and emerge. | Kills fleas withing 6 hours |
| Taste | Topical application | Beef Flavor | N/A |
| Active Ingredient(s) | Spinetoram | Milbemycin Oxime/Lufenuron | dinotefuran, pyriproxyfen |
| RX Required |
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| Dosage | |||
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| Video | Coming soon | Coming soon | Coming soon |
| Vet Review | Fleas are easily the most common external parasite that plague cats throughout the country. Fleas have been shown to not only cause weakness and anemia in affected cats, but also transmit dangerous infectious diseases, including bartonellosis, an also increasing threat to humans. Cheristin is made with the same main ingredient as Comfortis for cats, and acts uniquely on the nervous system of the flea. Unlike flea prevention tablets, Cheristin starts killing fleas within 30 minutes and almost 100 percent of fleas within 12 hours. With the easy to use applicator, this product has been shown to be quite effective for one month. The most common, yet rare side effect I have seen in cats is an allergic reaction or hair loss at the site of application, and even less commonly vomiting and lethargy. It is an excellent and fast acting, effective product with an overall rating of a 4.5 with an ease of administration of a 5. | Sentinel is a wonderful combination of the heartworm prevention pill interceptor and the flea control product program both in this one pill. Many clients enjoy the convenience of having such broad acting internal and external parasites in one pill, without having to worry about giving two separate medicines. Lufenuron, which is the main flea control ingredient, stops the flea life cycle in its track at the egg and larval stage, thus being like a birth control pill for fleas who get on our pets. Given that the main problem of fleas is how rapidly they reproduce, this pill literally stops escalating growth of flea populations, before they can become established in our homes, where most of the flea life cycle occurs. The main disadvantage to this product is that it does not kill or repel adult fleas, so in situations with already established heavy infestations, it is best combined with a great topical product like advantage or front line or with the oral adulticide flea pill Capstar for maximal effect. The only other rare disadvantage I see is the slight increase in reactions when two products are combined into one like this, but fortunately this is not common in clinical practice. With milbemycin for prevention of heartworms and controlling and treating most common intestinal worms, I overall highly recommend this versatile product. | Coming soon |
Our expert panel consists of licensed veterinarians and the knowledgeable staff of PetMed Express, Inc. d/b/a 1-800-PetMeds. Neither the Company nor any of its employees or consultants make any warranties, expressed or implied, or representations about the accuracy or completeness of the content or the content of any site or external sites. Likewise, no legal liability or responsibility is assumed for the accuracy or completeness of any information, or usefulness of products discussed. While every effort has been made to accurately represent the qualities and characteristics of each product, which for the most part were taken directly from the websites of the manufacturers, we are not responsible for any errors.
The information presented is for educational purposes only and is intended to be a supplement to, and not a substitute for, the expertise and professional judgment of your veterinarian. The information is NOT to be used for diagnosis or treatment of your pet. You should always consult your own veterinarian for specific advice concerning the treatment of your pet. The information is not intended to cover all possible uses, directions, precautions, warnings, allergic reactions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for your pet. It is not a substitute for a veterinary exam, and it does not replace the need for services provided by your veterinarian.
Note: Any trademarks are the property of their respective companies.
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